CN102854098B - Nozzle granularity laser test apparatus - Google Patents
Nozzle granularity laser test apparatus Download PDFInfo
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- CN102854098B CN102854098B CN201210331556.XA CN201210331556A CN102854098B CN 102854098 B CN102854098 B CN 102854098B CN 201210331556 A CN201210331556 A CN 201210331556A CN 102854098 B CN102854098 B CN 102854098B
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Abstract
The invention belongs to the technical field of continuous casting test, and relates to a nozzle granularity laser test apparatus. The apparatus comprises a mechanical bench, a nozzle, a laser granularity tester, a measurement and control system computer, a water spraying pipeline, and an air pipeline. The nozzle (2) is arranged on the mechanical bench (1), and is connected to the water spraying pipeline and the air pipeline. The laser granularity tester (3) is arranged below the nozzle (2). A horizontal connection of the laser granularity tester (3), a transmitter (16) and a receiver (15) is in a same plane with the nozzle (2) and is perpendicular to the nozzle (2). A data output line of the laser granularity tester (3) is connected with the measurement and control system computer. The system can be used for testing the granularity of nozzle spray, wherein a testable granularity average diameter is 5-2000mum. Also, a related testing report is generated. The test apparatus provided by the invention has the advantages of convenient operation, high measuring precision, high speed, good representativeness, and good repeatability. The obtained results are closely related to production parameters. The apparatus can provide an instructive function upon continuous casting productions.
Description
Technical field
The invention belongs to continuous casting technical field of measurement and test, a kind of laser testing nozzle granularity device is particularly provided; For the testing graininess of caster two cold nozzle, can accurately test out the granule size of nozzle spray.
Background technology
At present, nozzle testing graininess system general measure scope is narrower, and measuring accuracy is low, and speed is slow, need to manually regulate the position of nozzle, and automaticity is low, also there is no the special proving installation for field of metallurgy nozzle granularity; And the test of field of metallurgy nozzle has very important effect for the cooling and surface quality of studying strand, therefore need the device that can address this problem badly.
Therefore can overcome the deficiency of above-mentioned proving installation, and the granularity that can be good at test nozzles spraying is the problem that this patent solves.
Summary of the invention
The object of the present invention is to provide a kind of laser testing nozzle granularity device, the problem such as the measurement range that has solved above-mentioned prior art is narrower, and measuring accuracy is low, and speed is slow.Automatically detect nozzle spray particle property, adopt laser particle size measurement method, rheological properties method is mainly measured micron particles, and measurement range is at 5-2000 μ m, acquisition be equivalent sphere volume distributed median, measure accurately, speed is fast, representative strong, reproducible.
The present invention includes mechanical stand 1, nozzle 2, laser particle analyzer 3, TT&C system computing machine and water pipe and gas piping; Nozzle 2 is arranged on mechanical stand 1, connects water pipe and gas piping; The transmitter 16 of laser particle analyzer 3 and receiver 15 are arranged on the both sides of nozzle 2, and transmitter 16 Emission Lasers of laser particle analyzer 3 are through the water smoke of nozzle 2 ejections, by the receiver 15 of laser particle analyzer 3, are received; The DOL Data Output Line of the receiver 15 of laser particle analyzer 3 is connected with TT&C system computing machine.Described laser particle analyzer is comprised of transmitter 16 and receiver 15 two parts, and the data line of laser particle analyzer connects on TT&C system computing machine.
Nozzle 2 of the present invention is transportable, by the mechanical arm on mechanical stand 1, is driven, and can carry out parallel with vertical mobile, and the moving range of nozzle is: X:200mm Z:250mm.
The camera lens multiple of laser particle analyzer 3 of the present invention is divided into: 300,500,800,1000 times four kinds, test particle size diameter scope is: 5-2000 μ m.
TT&C system computing machine of the present invention is comprised of signal isolation adjusting tank 4, signal distributor box 5, granularity main frame 6, ups power module 7, motion control case 8; Ups power module 7 connects granularity main frame 6, gives granularity main frame 6 supply stabilized power sources; The data line of laser particle analyzer 3 connects signal isolation adjusting tank 4, and signal isolation adjusting tank 4 connects signal distributor box 5, and signal distributor box 5 connects granularity main frame 6, and test data is input in granularity main frame 6; Granularity main frame 6 connects motion control case 8, and motion control case 8 is connected with solenoid valve 11 with mechanical stand 1 simultaneously, plays the effect of controlling mechanical stand 1 and solenoid valve 11.
Special function software is installed on granularity main frame 6, is mainly comprised nozzle characteristic testing system-granularity system software and laser system software.
Water pipe of the present invention and gas piping comprise water pump 9, variable valve 10, solenoid valve 11, flowmeter 12, air compressor 13, pipeline 14.Water pipe annexation is: water pump 9 connecting tubes 14, and pipeline 14 is connection traffic meter 12 again, and flowmeter 12 is connected electromagnetic valve 11 again, and solenoid valve 11 connects variable valve 10 again, and variable valve 10 is connecting tube 14 again, and pipeline 14 connects nozzle 2 waterpipe jointings again; Gas piping annexation is: air compressor 13 connecting tubes 14, and pipeline 14 is connection traffic meter 12 again, and flowmeter 12 is connected electromagnetic valve 11 again, and solenoid valve 11 connects variable valve 10 again, and variable valve 10 is connecting tube 14 again, and pipeline 14 connects nozzle 2 air pipe interfaces again.
Variable valve can be realized computer control automatic water pressure adjustment, air pressure and discharge and airshed; The range of each duty parameter is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600 Nm
3/ h.Discharge, airshed size while needing according to nozzle operation in test process are selected corresponding flowmeter, and use a variable valve to regulate.
Native system adopts the design of electromechanical integration, and whole process can be undertaken by computer control, and test result directly prints with the form of report, and test simultaneously can obtain distribution curve and the data thereof of the droplet size of nozzle after finishing.Test findings can be saved in database, can in database, check the size-grade distribution under different spray nozzles and different condition, compares, thereby obtains being suitable for producing actual nozzle and condition of work.
Of the present inventionly be a little, position and direction that can full-automatic regulation nozzle, regulate water discharge nozzle and airshed automatically, can utilize the granularity of the accurate gaging nozzle of laser, and automaticity is high, and simple to operate, test result precision is high.
Accompanying drawing explanation
Fig. 1 is laser testing granularity Plant arrangement schematic diagram.Machinery stand 1, nozzle 2, laser particle analyzer 3, signal isolation adjusting tank 4, signal distributor box 5, granularity main frame 6, ups power module 7, motion control case 8, water pump 9, variable valve 10, solenoid valve 11, flowmeter 12, air compressor 13, pipeline 14, receiver 15, transmitter 16.
Fig. 2 is nozzle robot brain tool stand schematic diagram.Nozzle 2, nozzle set bolt 17, nozzle water, vapour flexible pipe 18, move horizontally arm 19, control system case 20, water, air pipe interface 21, vertical sliding swing arm 22, base 23.
Embodiment
Following example is used for setting forth the present invention, but protection scope of the present invention is not limited in following examples.
The present invention includes mechanical stand 1, nozzle 2, laser particle analyzer 3, TT&C system computing machine and water pipe and gas piping; Nozzle 2 is arranged on mechanical stand 1, connects water pipe and gas piping; The transmitter 16 of laser particle analyzer 3 and receiver 15 are arranged on the both sides of nozzle 2, and transmitter 16 Emission Lasers of laser particle analyzer 3 are through the water smoke of nozzle 2 ejections, by the receiver 15 of laser particle analyzer 3, are received; The DOL Data Output Line of the receiver 15 of laser particle analyzer 3 is connected with TT&C system computing machine.Described laser particle analyzer is comprised of transmitter 16 and receiver 15 two parts, and the data line of laser particle analyzer connects on TT&C system computing machine.
1. nozzle is arranged on mechanical stand, and fixes, according to test request, regulate level and the vertical range of nozzle;
2. the adjusting of laser particle analyzer:
(1) open Laser Power Devices, after laser instrument preheating, stablize bright dipping.Check the quality of laser, if spot center does not work or be inhomogeneous, can open transmitter top cover, carefully rotate pin hole set screw.Adjust three transmitter set screw, make outgoing laser beam level.
(2) centering is adjusted: receiver is moved on to F=1000mm place, be screwed. and then by two, adjust annulus and be put into respectively corresponding position, screwed annulus is pacified to receiver lens frame, and another does not have threaded annulus to install on receiver.Then open laser instrument adjustment, adjust the supporting screw of laser instrument bottom, make laser just in time through two centers of adjusting annulus.According to sight alignment principle, can determine to be exactly the effect that has reached centering like this.
(3), according to measurement range, select suitable receiver lens.It is 5-584 μ m that objective focal length 300mm measures particle size range; It is 9-975 μ m that objective focal length 500mm measures particle size range; It is 14-1579 μ m that objective focal length 800mm measures particle size range; It is 18-2000 μ m that objective focal length 800mm measures particle size range.
(4) according to the focal length of selected receiver lens, determine the position of receiver, its position is from the close-by examples to those far off followed successively by F=300, F=500, F=800, F=1000 from transmitter.Receiver installation method: according to lens focus, shift receiver onto correspondence position, and screw clamp-screw.
(5) open receiver power supply switch, and open computer power supply, operation testing graininess software, click master menu " selection focal length " and " centering " button, by regulating the horizontal adjustment button on receiver to carry out centering with vertical adjustment button, waveform is reduced to from left to right successively the most desirable, then gathers background.
3. the working condition needing according to test, the parameter (Nm such as the hydraulic pressure (MPa) of setting nozzle, air pressure (MPa), discharge (L/min), airshed
3/ h), the range of each duty parameter is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600 Nm
3/ h; Carry out data acquisition.
4. after being completed, the data that nozzle spray granularity collects through laser testing instrument are after information distribution case, information isolation conditioning case are processed, and input computing machine, carries out data analysis and process, obtains the particle size distribution characteristic figure of nozzle.
Claims (2)
1. a nozzle laser particle size measurement device, comprises mechanical stand, nozzle, laser particle analyzer, TT&C system computing machine and water pipe and gas piping; It is characterized in that: it is upper that nozzle (2) is arranged on mechanical stand (1), connect water pipe and gas piping; Laser particle analyzer (3) is arranged on nozzle (2) below, the transmitter (16) of laser particle analyzer (3) and the horizontal line of receiver (15) with nozzle (2) in same plane and vertical with nozzle; The DOL Data Output Line of laser particle analyzer (3) is connected with TT&C system computing machine; Transmitter (16) and receiver (15) are arranged on the both sides of nozzle;
Described nozzle (2) is mobile, by the mechanical arm on mechanical stand (1), is driven, and can carry out parallel with vertical mobile, and the moving range of nozzle (2) is: X:200mm Z:250mm;
TT&C system computing machine is isolated adjusting tank (4), signal distributor box (5), granularity main frame (6), ups power module (7), motion control case (8) by signal and is formed; Ups power module (7) connects granularity main frame (6); The data line of laser particle analyzer (3) connects signal isolation adjusting tank (4), and signal isolation adjusting tank (4) connects signal distributor box (5), and signal distributor box (5) connects granularity main frame (6); Granularity main frame (6) connects motion control case (8), and motion control case (8) is connected with solenoid valve (11) with mechanical stand (1) simultaneously;
The special function software of the upper installation of granularity main frame (6), described special function software comprises nozzle characteristic testing system-granularity system software and laser system software;
Water pipe and gas piping comprise water pump (9), variable valve (10), solenoid valve (11), flowmeter (12), air compressor (13), pipeline (14); Water pipe annexation is: water pump (9) connects the first pipeline (14), the first pipeline (14) connects first flow meter (12) again, first flow meter (12) connects the first solenoid valve (11) again, the first solenoid valve (11) connects the first variable valve (10) again, the first variable valve (10) connects the first pipeline (14) again, and the first pipeline (14) connects nozzle (2) waterpipe jointing again; Gas piping annexation is: air compressor (13) connects second pipe (14), second pipe (14) connects the second flowmeter (12) again, the second flowmeter (12) connects the second solenoid valve (11) again, the second solenoid valve (11) connects the second variable valve (10) again, the second variable valve (10) connects second pipe (14) again, and second pipe (14) connects nozzle (2) air pipe interface again;
The range of the hydraulic pressure of water pipe and gas piping, air pressure, discharge and airshed is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600Nm
3/ h.
2. device according to claim 1, is characterized in that: the camera lens multiple of described laser particle analyzer (3) is divided into: 300,500,800,1000 times four kinds, test particle size diameter scope is: 5-2000 μ m.
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| CN201210331556.XA CN102854098B (en) | 2012-09-07 | 2012-09-07 | Nozzle granularity laser test apparatus |
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| CN201210331556.XA CN102854098B (en) | 2012-09-07 | 2012-09-07 | Nozzle granularity laser test apparatus |
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| CN102854098B true CN102854098B (en) | 2014-07-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2013327811B2 (en) * | 2013-05-10 | 2016-01-28 | Zhejiang University | One-dimensional global rainbow measurement device and measurement method |
| CN103698256A (en) * | 2013-12-25 | 2014-04-02 | 浙江大学 | Method and device for on-line measurement of liquid spraying through full-field rainbow |
| CN104181086B (en) * | 2014-08-27 | 2016-06-22 | 天津商业大学 | A kind of spray particle diameter distribution two-dimensional scan detecting device and detection method |
| CN104181083B (en) * | 2014-08-27 | 2016-10-19 | 天津商业大学 | A kind of spray characteristics parameter detection device and method |
| CN104865171A (en) * | 2015-06-04 | 2015-08-26 | 南京林业大学 | System for dynamically testing nozzle-atomized three-dimensional liquid drop particle size spectra and application method for system |
| CN109115485A (en) * | 2018-10-23 | 2019-01-01 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109141864A (en) * | 2018-10-23 | 2019-01-04 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
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| US4329054A (en) * | 1979-08-16 | 1982-05-11 | Spectron Development Laboratories, Inc. | Apparatus for sizing particles, droplets or the like with laser scattering |
| JP3809099B2 (en) * | 2001-12-12 | 2006-08-16 | 株式会社堀場製作所 | Dry particle size analyzer |
| CN1258080C (en) * | 2004-07-22 | 2006-05-31 | 上海交通大学 | Scanning type nozzle atomizing field for drop grain size and concentration space distribution analyzer |
| CN201168892Y (en) * | 2008-03-28 | 2008-12-24 | 江苏科技大学 | Cooling control device for metal cutting |
| CN101934299A (en) * | 2010-08-17 | 2011-01-05 | 大连康丰科技有限公司 | Continuous extrusion equipment using atomization cooling technology and cooling method |
| CN202166590U (en) * | 2011-07-26 | 2012-03-14 | 济南微纳颗粒仪器股份有限公司 | Spray laser particle size instrument with auxiliary detection structure |
| CN202166593U (en) * | 2011-07-26 | 2012-03-14 | 济南微纳颗粒仪器股份有限公司 | Split atomizing laser particle analyzer |
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Address after: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee before: Capital Iron & Steel General Company |